Deputy Chair of RD2, head of the flagship PRIMAP and the Inter-Sectoral Impact Model Intercomparison Project ISI-MIP; development of EXPACT, an impact emulator that allows highly efficient probabilistic projections of regional climate changes and changes in the occurrence of extreme events in terms of global mean temperature change (Research Area: Global Impact Assessments)

Deputy Chair of RD2, Adjunct professor at University of Potsdam (Climate Change and Sustainability), Head of the Research Area Climate Change and Development. Solution oriented conceptualization and formalization of adaptation and vulnerability research for urban and rural areas, comparison and systematization of development pathways in the 1st/3rd world countries, i.e. in terms of typical man-environment interactions and in order to determine and to assess no-go/no-stay under the threat of climate change, model &, methodological developments

Senior Scientist, currently Honorary Senior Research Fellow at the University of Melbourne, Australia. Research expertise in climate change and uncertainties, emission scenarios, carbon cycle, international climate negotiations UNFCCC, development of the simple climate model MAGICC (Research Area: Global Impact Assessments)